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Physician Assistant

Lucius K. Upshaw, PA

Works at hospitals in San Mateo, CA · California

Summary

Lucius K. Upshaw, PA is a physician assistant at 22 W 39th Ave, San Mateo, CA 94403. Accepts Medicare assignment. In 2024, Lucius K. Upshaw had 12 Original Medicare patients and 12 services. NPI 1932350790. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 22 W 39th Ave, San Mateo, CA 94403 · Directions (3 more locations)
  • Medicare: Accepts Medicare assignment
  • Hospital: San Mateo Medical Center
  • Group practice: County of San Mateo
  • School: graduated 2008
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Lucius K. Upshaw, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Lucius K. Upshaw accept Medicare assignment?
Yes. Medicare's clinician data says Lucius K. Upshaw accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Lucius K. Upshaw see?
In 2024, CMS data shows 12 Original Medicare patients and 12 services for Lucius K. Upshaw. This counts Original Medicare only and measures volume, not quality.
What is Lucius K. Upshaw's NPI number?
1932350790. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Lucius K. Upshaw, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients12
Services billed to Medicare12
Different services or procedures2
Participating Medicare providerYes
Average age of these patients69

Hospitals where Lucius K. Upshaw works

Medicare's Facility Affiliation Data lists Lucius K. Upshaw at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Lucius K. Upshaw is enrolled with Medicare (CMS data updated October 2, 2026).

  • 22 W 39th AveSan Mateo, CA 94403
  • 22 W 39th Ave, Hos316msSan Mateo, CA 94403
  • 222 W 39th AveSan Mateo, CA 94403
  • 222 W 39th Ave, Hos316msSan Mateo, CA 94403

Group practices

Medicare enrollment lists Lucius K. Upshaw as a member of this group (CMS data updated October 2, 2026).

  • County of San Mateo310 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in San Mateo

Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.

All physician assistants in San Mateo →

Other clinicians in County of San Mateo

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPA
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932350790
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians